Explain what is the ph of a solution of 0.450 m kh2po4

Reference no: EM13310764

At 25 degrees C phosphoric acid, H3PO4, has the following equilibrium constants: Ka1 = 7.5 X 10-3 Ka2 = 6.2 X 10-8 Ka3 = 4.2 X 10-13 a)What is the pH of a solution of 0.700 M K2HO4, potassium hydrogen phosphate? b)What is the pH of a solution of 0.450 M KH2PO4, potassium dihydrogen phosphate?

Reference no: EM13310764

Questions Cloud

Find the mechanical energy of a block-spring system : Find the mechanical energy of a block-spring system having a spring constant of 0.67 N/cm and an oscillation amplitude of 1.5 cm

Estimate the required removal efficiency of particles in esp : An electrostatic precipitator (ESP) is being designed to collect flue gas particles at a power plant. The following information has been collected: electric field intensity = 100,000 V/m, and average particle charge = 0.30 fC (1 fC = 10-15 C).

Find the magnitude of the maximum blade acceleration : In an electric shaver, the blade moves back and forth over a distance of 2.0 mm in simple harmonic motion, with frequency 122 Hz. find the magnitude of the maximum blade acceleration

What is the magnitude of the maximum force acting on it : A 0.32 kg body undergoes simple harmonic motion of amplitude 9.1 cm and period 0.40 s. What is the magnitude of the maximum force acting on it

Explain what is the ph of a solution of 0.450 m kh2po4 : What is the pH of a solution of 0.700 M K2HO4, potassium hydrogen phosphate? b)What is the pH of a solution of 0.450 M KH2PO4, potassium dihydrogen phosphate

How to determine the lifetime risk of a resident : Consider a small town in the Phillippines, where the average weight of people is 55 kg, and the average lifespan is 60 years. The people here eat lots of fish due to abundant availability from the local river.

Explain what is percent yield : If 15.00mL of 1.00M HCl solution is mixed with 25.00mL of a 0.250M NaOH solution in a process that produces 273 mg of NaCl, what is percent yield

Determine what is the depth of flow in the constriction : If the energy loss in the contraction is equal to \(V_1^{2}/2g\) where V1 is the average velocity upstream of the contraction, what is the depth of flow in the constriction. A lined rectangular concrete drainage channel is 10m wide and carries a..

Explain valence bond theory and the triple bond in ethyne : According to valence bond theory, the triple bond in ethyne (acetylene, C2H2) consists of A) three sigma bonds and no pi bonds B) two sigma bonds and one pi bond C one sigma bond and two pi bonds

User Account

All Pages